Porto Alegre weather live forecast

Tomorrow's maximum temperature in Porto Alegre is expected to be 26°C.

5-day weather forecast updated at 04:00 on Wednesday 12th March 2025 GMT

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The 5-day weather forecast for Brazil (Porto Alegre) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Porto Alegre weather forecast by day

Below are the detailed weather forecasts for Porto Alegre for the next 5 days.

Porto Alegre weather for Wednesday 12th March 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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Porto Alegre weather for Thursday 13th March 2025

Expect isolated thunderstorms in Porto Alegre, Brazil with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a light breeze of 8 kph from the south.

  • 24°C maximum temperature24
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 75% chance of some rain75
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 8 kph from the South8
    kph wind from S

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Porto Alegre weather for Friday 14th March 2025

Expect scattered clouds in Porto Alegre, Brazil with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Porto Alegre weather for Saturday 15th March 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

  • 24°C maximum temperature24
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Porto Alegre weather for Sunday 16th March 2025

Expect broken clouds in Porto Alegre, Brazil with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the East9
    kph wind from E

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Metric (°C / mm)  |  Imperial (°F / inches)

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